package d0316;

import java.io.File;
import java.io.FileReader;

public class FirstException {
    public static void main(String[] args) {
        int a = 100/0;//运行异常
        //System.out.println(a);
      //  File file = new File("d:/a.txt");
       // FileReader fr = new FileReader(file);//非运行异常
        //String i1 = Integer.parseInt(s);

    }
}
